MnO2 Catalyst for Formaldehyde Decomposition in Air Purifiers
Short Product Description
MnO2 Catalyst for Formaldehyde Decomposition in Air Purifiers is a high-activity catalytic grade manganese dioxide with MnO₂ purity of 85–95%, designed for room-temperature oxidation of formaldehyde (HCHO) in indoor air systems. It enables continuous catalytic conversion of formaldehyde into CO₂ and H₂O without secondary pollution. Suitable for HEPA composite filters and industrial air purification modules.

Technical Specifications
| Parameter | Specification Range |
|---|---|
| MnO₂ Content | 85–95% |
| Crystal Type | γ-MnO₂ / Activated MnO₂ |
| Particle Size | 100–500 mesh (customizable) |
| Surface Area (BET) | 80–250 m²/g |
| Bulk Density | 0.4–0.8 g/cm³ |
| Moisture Content | ≤ 3% |
| Formaldehyde Removal Efficiency | ≥ 90% (1 ppm, 25°C) |
| Operating Temperature | 0–80°C |
| Service Life | 12–36 months (application dependent) |
Key Features
High catalytic activity for MnO2 Catalyst for Formaldehyde Decomposition in Air Purifiers at ambient temperature
Stable γ-phase structure with consistent oxidation performance
No external energy or UV activation required
Low pressure drop when integrated into filter media
Long service life with minimal deactivation
Compatible with activated carbon and composite filter substrates
Applications
Residential air purifiers – Continuous decomposition of indoor formaldehyde released from furniture and coatings.
Commercial HVAC systems – Integrated into filter modules for centralized air treatment.
Industrial air purification units – Effective for low-concentration formaldehyde exhaust streams.
New house air treatment equipment – Rapid reduction of formaldehyde in renovation environments.
Automotive cabin air filters – Suitable for confined-space VOC control.
MnO2 Catalyst for Formaldehyde Decomposition in Air Purifiers is particularly suitable where long-term, passive catalytic oxidation is required without ozone generation.
Packaging & Supply
25 kg fiber drums with PE inner lining
500 kg / 1000 kg jumbo bags
Vacuum-sealed moisture-proof packaging available
Suitable for sea and air export shipment
Stable supply capacity for bulk industrial orders.
Customization & Technical Support
Particle size, surface area, and catalytic activity can be adjusted according to airflow rate and filter design. Technical support includes catalyst selection guidance, loading ratio recommendations, and performance testing assistance for air purifier manufacturers and engineering contractors.
Check out our full Chemical Synthesis & Catalyst Grade Manganese Dioxide (MnO₂) solutions.